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Summary: Don't trust unofficial ISOs. Use the official Microsoft Convenience Rollup to save time and keep your system as clean as possible. Windows 7 64 Bit Service Pack 2 Iso Download High Quality
The Truth About "Windows 7 Service Pack 2" ISO Downloads If you're scouring the web for a "Windows 7 64-bit Service Pack 2" ISO, you’ve probably noticed something confusing: officially, Service Pack 2 for Windows 7 doesn't exist. Microsoft only ever released one official Service Pack (SP1). Overview
Instead, in May 2016, Microsoft released the "Convenience Rollup" (KB3125574), which is effectively an unofficial SP2. This single update includes all security and non-security fixes released from the launch of Service Pack 1 (2011) through April 2016. Understanding the "Windows 7 SP2" Alternative Operating System : Windows 7 Architecture : 64-bit